Portion of a shoe upper



FIG. 1 is a front perspective view of a shoe showing my new design of a portion of a shoe upper;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side elevational view of one side thereof; and,

FIG. 4 is a top view thereof.

The broken lines immediately adjacent to the shaded areas in FIGS. 1-4 represent unclaimed boundaries of the design. The broken lines that depict the remainder of the shoe upper and the shoe sole in FIGS. 1-4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 